Ported/Polished Turbo Head

[89Aries]

I purchased a ported/polished turbo head from a vendor and instead of having four turbo exhaust valves, it had two turbo and two non turbo valves. Is this ok to use? How critical is it to use only turbo valves? I run a T1 to T2 converted 2.2 intercooled with 13 psi. Thanks

[Orangetona]

I wouldnt.

[johnl]

Ditto that

[Spr-T-23]

i hear they melt

---------- Post added at 08:46 PM ---------- Previous post was at 08:46 PM ----------

good catch though

[89Aries]

Ok, two are stamped with a T, one has a diamond with an o in the middle, the other is blank. Supposedly from what I was told the blank one is a mopar performance turbo valve, stock size, and the diamond with o is some sort of aftermarket valve that can also handle turbo... Does it sound like bs?

[shadow88]

I have seen very few factory T stamped valves. The MP backcut valves have no markings of any kind. As far as aftermarket, We have no way of knowing.

Why aren't you taking this up with the vendor?

[135sohc]

magnet test on the stem. 'moparzrule' posted a video of it.

[turbovanman²]

Exactly, use a magnet, some don't have any markings. If its ported and polished, it should have +1mm valves anyhow, lol.


Vid of magnet test-

http://www.turbo-mopar.com/forums/sh...ghlight=magnet

[89Aries]

Good to know, I have spoken to the vendor about this and they reassured me everything is turbo-spec. I just want to be sure for my own piece of mind that I have the right parts in my car. I tryed testing with a magnet but I didn't really know what I was looking for. Thanks for the input though.

[RoadWarrior222]

The magnet test isn't very definitive for a single random valve, it's useful only when you have a TBI valve and Turbo valve to compare ON THE SAME MAGNET... because you'll be able to hold up or drag around a turbo valve all you like with a neodymium magnet, or one of the newer high strength ceramic ones. However since you did have two valves stamped T, then feeling for the same degree of attraction between the magnet on those and the unmarked valves should give you some idea.

[89Aries]

I purchased this ported head from Cindy at FWD Performance for $600 with the clear understanding that it would include four factory turbo exhaust valves. Instead I received a ported head with mismatched valves, this being the mystery valve. One of the blank ones I was told is mopar performance, but who's to say because it's blank. When asked why it was sent to me like this i was told it was taped up and she didn't really notice. I find this interesting because I start to trust this head less and less. I mean who's to say what else is wrong with it? Even still, being different valve types will alter flow characteristics to the combustion chambers, running some cylinders leaner and others richer. I'm not trying to throw FWD under the bus, but I have some questions about it.

[turbovanman²]

Post up some pics if you don't mind. If the valves are almost identical, I bet the cylinders won't even notice.

[T-Bohn]

Ported head for 600?? That seems inexpensive....Maybe this is why it's so cheap.

Was that the deal??

[89Aries]

I don't know how to post up pics on here, otherwise i will. And the deal was 600 for a ported/polished head, i said i needed a head with turbo valves and she had this around and she sent it to me. It was not until after i recieved it i found out the valves were mismatched... this was not told to me ahead of time.

[glhs727]

geez... are we still debating this? Just because a valve does NOT have a "T" on it, does not mean it is not a turbo valve!! I even sent pictures of the other mopar valves, the MP backcut valve, and the stock replacement (with the diamond manufacturer stamp) to show that these were mopar turbo valves. The fact is that they have ALL been backcut, and ALL the valves have been given the same angle valve job. Just because all four valves don't have the T stamped does in no way diminish their performance.
BTW the blue spot on the second valve is just a factory paint mark....

[89Aries]

The only reason I still bring it up is because I've had a lot of people post up here and say they wouldn't use that head unless it has matching valves in it or that I should change it out asap. I may be a pain about this issue but I take pride in my car and I don't want to put it to chance, especially since I'm relatively new to the TD world and there's a lot that I don't know. That little bit of insurance, knowing that I have matching T stamped valves, would have made me completely comfortable with the issue. Maybe I should have just asked for pictures.

[glhs727]

OK, if it makes you feel better, send me the head back, and I will put in two more stock valves that have a "t" stamped on them...... or just send it back for a refund (purchase price minus the cost to clean it since it currently installed in your car).
Seriously for other people reading this thread, NOT all turbo valves have a T stamped on them. In fact most do not, so do not let this be your sole criteria for determining a turbo valve from a non turbo valve.
The only reason people told you not to use it is because you stated in the first post that it had two non turbo valves in it. If you said the head had 4 turbo valves in it (which it does), but only 2 were stamped with a "t", you probably would have gotten a much different response.
later,
Cindy

[Juggy]

good 2 know. i got a head here goin on with the same deal. it has 2 T stamped valves, and 1 diamond one, i think the other has nothing on it.....
anyway to verify that the different valves as being for turbo app??

[turbovanman²]

OK, if it makes you feel better, send me the head back, and I will put in two more stock valves that have a "t" stamped on them...... or just send it back for a refund (purchase price minus the cost to clean it since it currently installed in your car).
Seriously for other people reading this thread, NOT all turbo valves have a T stamped on them. In fact most do not, so do not let this be your sole criteria for determining a turbo valve from a non turbo valve.
The only reason people told you not to use it is because you stated in the first post that it had two non turbo valves in it. If you said the head had 4 turbo valves in it (which it does), but only 2 were stamped with a "t", you probably would have gotten a much different response.
later,
Cindy

Exactly, we've covered it that not ALL valves have T, Cindy's offer is very gracious.

good 2 know. i got a head here goin on with the same deal. it has 2 T stamped valves, and 1 diamond one, i think the other has nothing on it.....
anyway to verify that the different valves as being for turbo app??

Seriously, are you shitting us? I posted up a vid on how to tell earlier,

[shackwrrr]

Seriously, are you shitting us? I posted up a vid on how to tell earlier,

lol you can say that no problem but we can't say radiator pet----.